TROUBLE SHOOTING CHART
!TROUBLE CAUSE.......
Enginewiltnot r • ignitionswitch off. startor willrun !• Engineflooded,
onlya few • Fuel tank empty. secondsafter • Spark plugnot firing.
starting. • Fuel not reaching carburetor.
REMEDY
•Move Ignition Switch to ONI
•See "Starting instructions."
•Fill tank with correct fuel mixture
:install new spark plug.
Check for dirty fuel filter; replace Check for kinked or split fuel line repair or replace.
-Carburetor requires • See =Carburetor Adjustments." adjustment.
EnginewUl not idle properly,
Engine wilt not accelerate,
lacks power, or dies under
a load.
Engine smokes
excessively.
Engine runs
hot.
•None of the above.
•Idle speed set too high or too low.
•Low Speed Mixture requires adjustment.
•Crankshaft seals worn.
•Compression low.
•None of the above.
•Air filter dirty.
•Spark plug fouled.
•Carburetor requires adjustment.
•Exhaust ports or muf-
fler outlets plugged.
°Compression low.
• None of the above.
•Choke partially on.
•Fuel mixture incorrect.
•Air filter dirty.
•High Speed Mixture requires adjustment.
•Crankcase leak.
,Fuel mixture incorrect.
• Spark plug incorrect.
•High Speed Mixture set too lean.
• Contact Sears Service.
,,See "Carburetor Adjustments."
•See =Carburetor Adjustments."
•Contact Sears Service.
•Contact Sears Service.
. Contact Sears Service.
•Clean or replace air filter.
•Clean or replace plug and regap.
•See "CarburetorAdjustments."
•Contact Sears Service.
-Contact Sears Service.
•Contact Sears Service.
•Adjust choke.
•Empty fuel tank and refill with correct fuel mixture.
°Clean or replace air filter.
•See "Carburetor Adjustments."
•Contact Sears Service.
°See "Fueling Your Unit."
•Replace with correct plug.
•See "Carburetor Adjustments."
•Exhaust ports or muf- fler outlets plugged.
•Carbon
•Fan housing/cylinder fins dirty.
•None of the above.
Oil inadequate | - | Oil tank empty. |
for bar and | • | Oil pump or oil filter |
chain |
| clogged. |
lubrication. | • | Guide bar oil hole |
|
| blocked. |
•Contact Sears Service.
•Clean spark arrestor screen.
°Clean area.
, Contact Sears Service.
•Fill oil tank.
•Contact Sears See,ice.
°Remove bar and clean.
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